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• Repair and maintenance of car air conditioners in summer

How to repair car air conditioner fluorine leakage

1. First, inject some fluorescent agent into the pipe to find out the specific part of the fluorine leakage. After checking the leak, the cracks in the empty pipe and the adjustment of the sand eye can be repaired by welding repair. If it can't be repaired, you can only replace the new pipe and finally add a new refrigerant.

2. After the owner checks that the air conditioner pipe is leaking, he can use the method of repair welding to repair the cracks and sands of the air conditioner pipe, or use the air conditioner pipe leak repair agent. If the air conditioner pipe is seriously damaged, a new air conditioner pipe can be replaced.

3. The methods to solve the fluorine leakage of automobile air conditioning pipes are as follows: first inject some fluorescent agents into the pipeline to find the specific part of the fluorine leakage. After checking the leakage points, you can use welding to repair the cracks and sand pits of the air conditioning pipe.

Why doesn't the car air conditioner cool down and how should it be repaired

Reason 1: The refrigerant of the car air conditioner is insufficient. If the car air conditioner is used for a long time and the refrigerant is consumed, it will lead to insufficient refrigeration of the air conditioner and affect the refrigeration effect of the air conditioner.Solution: Add air conditioning refrigerant. Reason 2: Leakage of car air conditioner refrigerant.

The common reason why car air conditioners do not cool is that the refrigerant is insufficient or too little, which is likely to be caused by the leakage of a small amount of refrigerant. Solution: We can observe from the liquid mirror above the drying tank that when the air conditioner is running normally, if continuous and slow bubbles are generated in the liquid mirror, the surface refrigerant is insufficient.

The reason why the car air conditioner is not cool is that there is too much refrigerant and too little refrigerant. The solution is to slowly release a little bit from the maintenance port on the low-pressure side of the air conditioning system and add refrigerant.

Too little refrigerant leads to insufficient refrigerant. The refrigeration of the air conditioning system requires refrigerant to absorb heat. If the air conditioner is used for a long time, the refrigerant in the system will leak in small amounts, or the air conditioning system will be damaged and leak, resulting in insufficient refrigerant in the system.

The reasons why the car air conditioner does not cool are: lack of CFC, the filter is too dirty, there is not enough antifreeze, the core of the air conditioner is too old, and there is too much air conditioner refrigerant. Corresponding solutions are taken for different reasons.

Three suggestions and eight notes for summer maintenance of car air conditioner

◆ Note 1: The modification of the air conditioner should be cautious. It is not recommended to modify the air conditioner of the car, because the original air conditioner is matched with the engine of the car. If it is modified at will, it will affect the performance of the car. ◆ Note 2: The air conditioner temperature should not be too low. Choosing the appropriate air conditioner temperature is the first step in air conditioner maintenance.

How to maintain car air conditioners in summer? The veteran driver will teach you a few tricks! In the hot summer, the temperature in the car without turning on the air conditioner is comparable to the Flame Mountain. When you open the door, the hot wind blows. At this time, the car air conditioner is very important. A well-maintained car air conditioner can reduce the temperature to a comfortable temperature in just four minutes.

Notes on car air conditioning maintenance in summer Introduction: I have sorted out the relevant knowledge of car air conditioning maintenance precautions in summer to solve the confusion encountered by car owners in the process of using the car.

Six notes for the maintenance of car air conditioners in summer. The modification of air conditioners should be cautious. It is not recommended to modify the air conditioner of the car, because the original air conditioner is matched with the engine of the car. If modified at will, it will affect the performance of the car.

One point to pay attention to when cleaning the air conditioner includes: car condenser, which will directly affect the cooling effect of the air conditioner. Pay attention to prevent the heat sink from being blocked by leaves and affecting the heat dissipation effect; the air conditioner filter element will turn black when used, and the debris and surface dust on the filter element should be washed off during the cleaning process. Use of air conditioner: turn on the external circulation of the air conditioner first.

How to repair the circuit of the car air conditioner?

The maintenance of automobile air conditioning circuits requires certain electrical knowledge and skills. The followingThere are some common repair methods: check the circuit connection: check whether the connection of the air conditioning circuit is tight, whether there is looseness or corrosion, and if there is a need to reconnect or replace the connector.

Check relays and switches Relays and switches are an important part of the automobile air conditioning circuit. By checking the connection and resistance value of the relay and switch, you can determine whether they are working properly. If necessary, replace the damaged relay or switch.

First, check whether the power supply of the car air conditioner is normal. Check whether the battery is charged, whether the fuse is intact, whether the battery connection is loose, etc. If there is a problem with the power supply, you need to solve the power supply problem and repair or replace the relevant parts. Step 2: Check the compressor. Next, check whether the air conditioner compressor is working properly.

Check the power supply: First, make sure that the power supply of the car is working normally.Check whether the voltage of the battery is normal, and whether the fuse and relay are working properly. Check the compressor: The compressor is the core component of the air conditioning system and is responsible for compressing the refrigerant. Check whether the connection of the compressor is tight and whether the electrical connection is normal.

Do car air conditioner maintenance in summer

1. To eliminate odors, on the one hand, you can spray special bactericidal potions. On the other hand, the car owner should replace the air conditioner filter once a year. When the above-mentioned air output is small or open When the air conditioner makes a loud noise of "hoohoo", you should consider replacing the air conditioner filter.

2. In summer, car maintenance needs to clean the empty air filter frequently, generally once every two or three weeks; often clean the condenser;Protect the refrigeration system; prevent the electrical system from moisture; pay attention to the running sound of the empty key. Clean the air filter frequently, usually once every two or three weeks.

3. Abstract: Car air conditioners are used a lot in summer. Pay attention to cleaning and maintenance. Clean the car air conditioner about once a year. If there is a strange smell, it should be cleaned in time. In addition, the filter needs to be cleaned once a month. It is best to clean the air conditioner on a large scale before using it in summer. Car owners can check the car manual to clean it by themselves, or consult the car 4S store.

4. Regular cleaning and regular replacement of the air conditioning filter can maintain good air conditioning quality. Under normal circumstances, the air conditioning filter should be cleaned every 5,000 kilometers or 3 months (whichever comes first), and the air conditioning filter should be replaced every 20,000 kilometers or 12 months (whichever comes first).Protect the heat sink of the condenser and evaporator.